﻿/*
 * Copyright (c) 2015 Nathaniel Wallace
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

using System;

namespace Wallace.IDE.Framework
{
    /// <summary>
    /// Used to add separators to function controls.
    /// </summary>
    public class FunctionSeparator : FunctionBase
    {
        #region Constructors

        /// <summary>
        /// Constructor.
        /// </summary>
        public FunctionSeparator()
            : this(null)
        {
        }

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="function">
        /// The function which this separator will mirror for visiblity.
        /// </param>
        public FunctionSeparator(IFunction function)
        {
            if (function != null)
            {
                IsVisible = function.IsVisible;
                function.IsVisibleChanged += function_IsVisibleChanged;
            }
        }

        #endregion

        #region Event Handlers

        /// <summary>
        /// Update visibility of this separator to match that of the function.
        /// </summary>
        /// <param name="sender">Object that raised the event.</param>
        /// <param name="e">Event arguments.</param>
        private void function_IsVisibleChanged(object sender, EventArgs e)
        {
            IFunction function = sender as IFunction;
            if (function != null)
                IsVisible = function.IsVisible;
        }

        #endregion
    }
}
